Solicitação de exame técnico
#4.1
07/08/1986
RPI 820
Application data
Number
PI8501444Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.
Applicants
Uop Inc.
US
Inventors
B. V. (pessoa física)
US
IPC Classification
Priority claims
US
596,772 · 04/04/1984
US
596,867 · 04/04/1984
US
637,234 · 08/02/1984
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